723455221725423 has 12 divisors (see below), whose sum is σ = 1139990046355368. Its totient is φ = 438457710136560.

The previous prime is 723455221725407. The next prime is 723455221725433. The reversal of 723455221725423 is 324527122554327.

723455221725423 is a `hidden beast` number, since 7 + 2 + 3 + 4 + 5 + 5 + 2 + 21 + 72 + 542 + 3 = 666.

It is not a de Polignac number, because 723455221725423 - 2⁴ = 723455221725407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 723455221725423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723455221725433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3653814251040 + ... + 3653814251237.

It is an arithmetic number, because the mean of its divisors is an integer number (94999170529614).

Almost surely, 2^{723455221725423} is an apocalyptic number.

723455221725423 is a deficient number, since it is larger than the sum of its proper divisors (416534824629945).

723455221725423 is a wasteful number, since it uses less digits than its factorization.

723455221725423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307628502294 (or 7307628502291 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 54.

The spelling of 723455221725423 in words is "seven hundred twenty-three trillion, four hundred fifty-five billion, two hundred twenty-one million, seven hundred twenty-five thousand, four hundred twenty-three".